Oct 1, 2012 12:00am PDT
few press conferences. not as few as george w. bush, but very few. >> he can be a little brittle. chris: let's go back to romney's must-do list. as we said, he's prepping to take a knick out of the president's credibility. >> the president tends to, how shall i say it? say things that aren't true. and in attacking his opponents, i've looked at prior debates. chris: at the same time romney has to fill in the gaps for his own proposals. he has to avoid this, when his 1994 debate opponent, ted kennedy, secured him for the same vagueness he's been accused of this year. >> what is the cost of your program? >> i don't have a cost. >> you don't have a cost? >> no, i'm sorry. i don't have the -- >> that's interest. >> i don't have the congressional budget office -- >> what will be the cost in terms of the tax incentives that you provide? what will the impact of that on the budget? >> the impact -- i do not know the specific number. >> so you don't know the cost. >> i think it's a wonderful idea to take it through piece by piece and -- >> that's what you have to do with legislation. that'